alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Nine Ball Infection ya.ru Post"; flow:established,to_server; content:"POST"; http_method; nocase; content:"/gate/"; http_uri; content:".php"; http_uri; content:"|0d 0a 0d 0a|"; content:"ya.ru/"; distance:67; within:6; reference:url,www.martinsecurity.net/page/3; classtype:trojan-activity; sid:2011186; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)